Specifications:
1. Solar panel: 0.55W, 17% efficiency
2. Li-ion battery: 3.7V 800mAh
3. Switch inside for saving power during shipment
4. LED: 16pcs, SMD 3528
5. Working Mode: sound sensor + light sensor + dim light
6. Lumens: 100lm
7. LED span life: 50,000 hrs
8. Solar charging time: 8 hrs
9.Three Lighting modes: Off/Dim/Bright; Off during the daytime; Dim light and Bright light is switched by sound to save power at night, i.e, Dim light at night time to save power, but will be switched to Bright light for about 30 seconds if  sound sensor is activated. The sound-sensing light is triggered when someone or something enters its 3-5 meters range within a 120 degree sensing angle.
10.Protection functions: over charging, over discharging, over current, and short circuit.